单选题 Long-Term Evolution (LTE) is a technological standard for wireless mobile broadband networks. LTE will make the use of the latest technologies. Orthogonal ______ Division Multiple Access (a technology well suited to achieving high peak data rates in high-spectrum bandwidths) will be used on the downlink. On the uplink, LTE will use ______ Carrier Frequency Division Multiple Access, which offers advantages in power ______ and terminal battery life as compared to technologies used today. The latest antenna technologies will also be used, such as ______, which employs multiple transmit and receive antennas. This results in numerous data paths effectively operating in ______ and-through appropriate coding/decoding-significant throughput gains.
单选题
  • A.Frequency
  • B.Time
  • C.Code
  • D.Wavelength
【正确答案】 A
【答案解析】
单选题
  • A. Phase modulation
  • B. Amplitude modulation
  • C.Single
  • D.Duplex
【正确答案】 C
【答案解析】
单选题
  • A.availability
  • B.scalablity
  • C.security
  • D.efficiency
【正确答案】 D
【答案解析】
单选题
  • A.UWB
  • B.MIMO
  • C.ASON
  • D.SCDMA
【正确答案】 B
【答案解析】
单选题
  • A.parallel
  • B.Serial
  • C.Manageability
  • D.Adaptability
【正确答案】 A
【答案解析】